Portable lighting device



FIG. 1 is a front perspective view of a portable lighting device according to the new design.

FIG. 2 is a left side view of the portable lighting device shown in FIG. 1 .

FIG. 3 is a right side view of the portable lighting device shown in FIG. 1 .

FIG. 4 is a top view of the portable lighting device shown in FIG. 1 .

FIG. 5 is a bottom view of the portable lighting device shown in FIG. 1 .

FIG. 6 is a front view of the portable lighting device shown in FIG. 1 ; and,

FIG. 7 is a rear view of the portable lighting device shown in FIG. 1 .

The broken lines shown in the drawings depict portions of the portable lighting device that form no part of the claimed design. 

CLAIM I claim the ornamental design for a portable lighting device, as shown and described. 